US2680059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for stabilizing alkali metal and alkaline earth metal aluminum hydrides
Assignee: Metal Hydrides Inc
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Filing: 1953-04-07
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Granted: 1954-06-01
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Expires: 1973-04-07
Abstract
No abstract record available.
Inventors
- 👤 Robert W Bragdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:05
CPC Classifications
C; C01; C01B; C01B6/00; C01B6/24; C01B6/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
THE METHOD FOR PRODUCING AND STABILIZING A PRODUCT SELECTED FROM THE GROUP CONSISTING OF AN ALKALI METAL ALUMINUM HYDRIDE AND AN ALKALINE EARTH METAL ALUMINUM HYDRIDE WHICH COMPRISES REACTING THE CORRESPONDING ALKALI METAL HYDRIDE OR ALKALINE EARTH METAL HYDRIDE WITH AN ALUMINUM HALIDE SOLUTION IN DIETHYL ETHER, AND BRINGING SAID PRODUCT IN CONTACT WITH A TERTIARY AMINE SELECTED FROM THE GROUP CONSISTING OF TRIMETHYLAMINE AND TRIETHYLAMINE IN AN AMOUNT BETWEEN ABOUT ONE AND SIX PER CENT BY WEIGHT OF SAID PRODUCT THEREBY STABILIZING SAID PRODUCT FOR STORAGE.
Claim 2
Independent Claim
87 words
THE METHOD FOR PRODUCING AND STABILIZING A PRODUCT SELECTED FROM THE GROUP CONSISTING OF AN ALKALI METAL ALUMINUM HYDRIDE AND AN ALKALINE EARTH METAL ALUMINUM HYDRIDE WHICH COMPRISES REACTING THE CORRESPONDING ALKALI METAL HYDRIDE OR ALKALINE EARTH METAL HYDRIDE WITH AN ALUMINUM HALIDE SOLUTION IN DIETHYL ETHER, AND BRINGING SAID PRODUCT IN CONTACT WITH A TERTIARY AMINE SELECTED FROM THE GROUP CONSISTING OF TRIMETHYLAMINE AND TRIETHYLAMINE IN AN AMOUNT BETWEEN ABOUT ONE AND SIX PER CENT BY WEIGHT OF SAID PRODUCT THEREBY STABILIZING SAID PRODUCT FOR STORAGE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |